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In the giant Pacific octopus, large eggs are laid in a den; it will often take several days to lay all of them. [112] Once the eggs are released and normally attached to a sheltered substrate, the female usually die shortly after, but octopuses and a few squids will look after their eggs afterwards.
A female can lay up to 500 eggs; clusters of eggs are joined by special stalks. The female then sits with her eggs until they are ready to hatch. If any creature comes near the eggs, the female will attack it, though if it kills the creature, will not eat it. The eggs take 50 to 80 days to hatch, but will hatch more quickly in warmer waters.
The cirrate species are often free-swimming and live in deep-water habitats. [38] Although several species are known to live at bathyal and abyssal depths, there is only a single indisputable record of an octopus in the hadal zone; a species of Grimpoteuthis (dumbo octopus) photographed at 6,957 m (22,825 ft). [78]
However, the water temperature in cracks and crevices at the octopus garden reaches about 51 degrees Fahrenheit (11 degrees Celsius). State-of-the-art underwater technology allowed researchers to ...
Octopuses can survive outside the water for about 20-30 minutes, and some aren't making it back into the water in time. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please ...
Scavengers and other organisms often attempt to eat octopus eggs, even when the female is present to protect them. Giant Pacific octopus paralarvae are preyed upon by many other zooplankton and filter feeders. Marine mammals, such as harbor seals, sea otters, and sperm whales depend upon the giant Pacific octopus as a source of food.
Marine scientists discovered what they dubbed an 'octopus garden' nearly two miles below sea level. 'We were just absolutely floored.' Just off California, octopuses are converging by the thousands.
O. tetricus start out as eggs that are laid in large numbers in the octopus's nest, approximately 270,000 eggs per female. [11] The eggs are normally glued to the rock or substrate at the top of the den created by the female octopus. The female usually lays her eggs over several nights in a string formation.